Newton County ZIP Codes
Mississippi, United States · 7 codes
Newton County in Mississippi has 7 ZIP codes, from 39057 to 39345, serving 7 places.
ZIP codes in Newton
Frequently asked questions
What is the ZIP code of Newton?
Newton has 7 ZIP codes, from 39057 to 39345. The table lists the places each one serves.
How many places are listed in Newton County?
7 places.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.